Protestors march through Lafayette Park on the way to the White House in Washington DC carrying a long mock-up of a pipeline with the writing "Stop the XL Pipeline" on Sunday, November 6, 2011. Canadian company TransCanada is seeking permission to build the 1,600-mile (2,700km) Keystone XL pipeline from Alberta to the Gulf coast in Texas. Environmental groups say that extracting oil from the sands would generate huge greenhouse gas emissions, and that any accident on the route could be disastrous. (Photo by Jeff Malet)
"Occupy Earth" say the large letters posted in front of the White House. Thousands of protesters opposed to a controversial pipeline project surrounded the White House in Washington DC on Sunday, November 6, 2011. Canadian company TransCanada is seeking permission to build the 1,600-mile (2,700km) Keystone XL pipeline from Alberta to the Gulf coast in Texas. Environmental groups say that extracting oil from the sands would generate huge greenhouse gas emissions, and that any accident on the route could be disastrous. (Photo by Jeff Malet)
